Active Systems

Bitflip

To support the research in data assimilation of the Geodynamics working group the GeoComputing group operates the machine bitflip. It is an AMD EPYC based machine with 128 cores that can run 256 threads (near) simultaneously.

Access Restriction: Usage limited to members of the Geodynamics group

total number of cores128
number of CPUs2
type of CPUsAMD EPYC 7662 64-Core Processor
clock speed2 GHz
L2 cache (per core)512 KB
L3 cache (per CPU)16 MB
local memory512 GB RAM
commissionedFebruary 2021

Cachemiss

To support the research in the context of computational geophysics the GeoComputing group operates the machine cachemiss. It is an AMD EPYC based machine with 64 cores. With 2 NVIDIA RTX A5000 installed in the system users are able to run CUDA enabled simulation application.

Access Restrictions: none (open to everyone in Geophysics)

total number of cores64
number of CPUs1
type of CPUsAMD EPYC 7662 64-Core Processor
base clock speed2 GHz
L2 cache (per core)512 KB
L3 cache (per CPU)16 MB
GPGPU2 NVIDIA RTX A5000
local memory256 GB RAM
commissionedDecember 2021

Datarace

Datarace is an AMD EPYC based machine with 32 cores that can run 64 threads (near) simultaneously. It supports general research in the context of computational geophysics.

Access Restrictions: none (open to everyone in Geophysics)

total number of cores32
number of CPUs1
type of CPUsAMD EPYC 7502P 32-Core Processor
clock speed2.5 GHz
L3 cache (per CPU)128 MB
local memory256 GB RAM
commissionedSeptember 2022

Exception

To support the research in the context of computational seismology the GeoComputing group operates the machine exception. It is an AMD EPYC based machine with 64 cores that can run 128 threads (near) simultaneously.

Access Restrictions: Usage limited to members of the Seismology and SeisSol groups

total number of cores64
number of CPUs1
type of CPUsAMD EPYC 7662 64-Core Processor
clock speed2 GHz
L3 cache (per CPU)256 MB
local memory1024 GB RAM
commissionedSeptember 2022

Heisenbug

To support research in the context of computational seismology the GeoComputing group operates the machine heisenbug. It is an AMD EPYC based machine with 128 cores that can run 256 threads (near) simultaneously. With 2 NVIDIA GeForce RTX 3090 installed in the system users are able to run CUDA enabled simulation application.

Access Restrictions: Usage limited to members of the Seismology and SeisSol groups

total number of cores128
number of CPUs2
type of CPUsAMD EPYC 7662 64-Core Processor
clock speed2 GHz
L2 cache (per core)512 KB
L3 cache (per CPU)16 MB
GPGPU2 NVIDIA GeForce RTX 3090
local memory512 GB RAM
commissionedApril 2021

Kernelpanic

To support the research of the earthquake physics working group the GeoComputing group operates the machine kernelpanic. It is an AMD EPYC based machine with 128 cores that can run 256 threads (near) simultaneously.

Access Restrictions: Usage limited to members of the SeisSol group

total number of cores128
number of CPUs2
type of CPUsAMD EPYC 7662 64-Core Processor
clock speed2 GHz
L3 cache (per CPU)256 MB
local memory512 GB RAM
commissionedOctober 2021

Krakatau

To support research in the context of reservoir modelling the GeoComputing group operates the machine krakatau. It is an AMD EPYC based machine with 64 cores that can run 128 threads (near) simultaneously. With 5 NVIDIA L40S installed in the system users are able to run CUDA enabled modelling applications.

Access Restrictions: Usage limited to members of the Observatory group

total number of cores64
number of CPUs2
type of CPUsAMD EPYC 9334 32-Core Processor
clock speed (max)3.9 GHz
L2 cache (per CPU)64 MiB
L3 cache (per CPU)256 MiB
GPGPU5 NVIDIA L40S
local memory1024 GB RAM
commissionedJune 2024

Memoryleak

To support research of the Earthquake Physics and Geodynamics working group the GeoComputing group operates the machine memoryleak. It is an AMD EPYC based machine with 32 cores that can run 64 threads (near) simultaneously. With 8 NVIDIA RTX A5000 installed in the system users are able to run CUDA enabled simulation application.

Access Restrictions: Usage limited to members of the SeisSol and Geodynamics group

total number of cores32
number of CPUs2
type of CPUsAMD EPYC 7313 16-Core Processor
clock speed (max)3.8 GHz
L2 cache (per core)16 MiB
L3 cache (per CPU)256 MiB
local memory512 GB RAM
GPGPU8 NVIDIA GeForce RTX A5000 + NVLink
commissionedMarch 2023

Overflow

To support the research in the context of computational geophysics the GeoComputing group operates the machine overflow. It is an AMD EPYC based machine with 128 cores that can run 256 threads (near) simultaneously.

The machine was financed in the context of grant WAP 86-2133W.

Access Restriction: none (open to everyone in Geophysics)

total number of cores128
number of CPUs2
type of CPUsAMD EPYC 9534 64-Core Processor
clock speed2.45 GHz
L3 cache (per CPU)256 MB
local memory768 GB RAM
commissionedJanuary 2025